[Accelo]

Some 4L60E's have a longer selector shaft to accommodate the PNRD321 switch.
Typically the linkage on the truck can be shortened to accommodate the difference.
I do not purchase the aftermarket indicator for the column. The spacing is off and you have to change the ratios on the levers to get it to indicate correctly. Just use the stock one and if you get neutral to line up every thing will indicate correctly, except low will be past the indicated low. No one ever uses it anyway.

The nice thing about the 93 and up 4L60E is the full throttle shifting is programed and can easily be modified it you have cam installed. Also all the torque converter lock-up functions work.
Including torque converter braking, for down hill, if you have cruise installed. It just works.
The wiring is more complicated but it also reduces the jury rigging one had to accept in the past.

Cheers.